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Fluorescent peptides help nerves glow in surgery

Accidental damage to thin or buried nerves during surgery can have severe consequences, from chronic pain to permanent paralysis. Scientists at the University of California, San Diego School of Medicine may have found a remedy: injectable fluoresc...

Metabolism models may explain why Alzheimer’s disease kills some neuron types...

Bioengineers from the University of California, San Diego developed an explanation for why some types of neurons die sooner than others in the brains of people with Alzheimer's disease. These insights, published in the journal Nature Biotechnolo...

New insect birth control strategy zaps cotton pests

Using pests as part of an insect birth control program helps to get rid of them, UA researchers find. A new approach that combines the planting of pest-resistant cotton and releasing large numbers of sterile moths has virtually eliminated of the...

Gene targeting technique extended to stem cells

The technique that helped revolutionize modern biology by making the mouse a crucible of genetic manipulation and a window to human disease has been extended to human embryonic stem (ES) cells. In a study published today (Feb. 10) in the online editions of the journal Nature Biotechnology, a team of scientists from UW-Madison reports that it has developed methods for recombining segments of DNA within stem cells.

New technique cuts risks of gene therapy

Stanford researchers have developed a technique that could cut the risks associated with gene therapy. Traditionally, gene therapy involves sneaking a snippet of genes into a person's DNA via a virus messenger. But the result is the new sequence gets randomly placed within the patient's existing genes, sometimes triggering other illnesses, such as leukemia. The new technique eliminates the need for a virus delivery system and places the genes in precise locations.

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